Home / 91,108.86-125,724.48-50,825.19

Finding the Fourth Proportional to 91,108.86, 125,724.48 and 50,825.19

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Solution

The fourth proportional to 91,108.86, 125,724.48 and 50,825.19 is: 70,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,108.86 : 125,724.48 = 50,825.19 : x
  2. Step 2: Convert to fraction form
    91,108.86/125,724.48 = 50,825.19/x
  3. Step 3: Cross multiply
    91,108.86x = 125,724.48 × 50,825.19
  4. Step 4: Simplify right side
    91,108.86x = 6,389,970,583.65
  5. Step 5: Solve for x
    x = 6,389,970,583.65/91,108.86
  6. Step 6: Final answer
    x = 70,135.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.